幾何
三角形、円、座標幾何、証明問題。
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standard position. sketch the angle -\\frac{7\\pi}{4}-4\\pi radians.
To sketch the angle \(-\frac{7\pi}{4}-4\pi\) radians, start at the positive \(x\) - axis \((1,0)\) and make a clock - wise rotation of \(\frac{7\pi}{4}\) radians. The terminal sid…
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a triangle has sides with lengths of 18 inches, 84 inches, and 85 inche…
no
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a triangle has sides with lengths of 54 miles, 73 miles, and 43 miles. …
no
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a triangle has sides with lengths of 42 kilometers, 56 kilometers, and …
yes
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a toy piece made from plastic is in the shape of a solid hemisphere wit…
A. Plastic A $0.83$
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a triangle has sides with lengths of 72 meters, 97 meters, and 65 meter…
yes
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which model matches the word problem? the gardener has 1/2 of a box of …
The model that shows a rectangle divided into 2 equal parts with 1 part shaded (representing $\frac{1}{2}$) and then that shaded part divided into 4 equal sub - parts.
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a triangle has sides with lengths of 32 centimeters, 60 centimeters, an…
no
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which angles are alternate interior angles? ∠pqs and ∠rqn ∠onq and ∠pqn…
\(\angle ONQ\) and \(\angle PQN\)
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a triangle has sides with lengths of 26 feet, 10 feet, and 24 feet. is …
yes
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which angles are alternate exterior angles? ∠tsu and ∠ops ∠tsu and ∠opn…
\(\angle TSU\) and \(\angle QPN\)
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a triangle has sides with lengths of 52 inches, 65 inches, and 39 inche…
yes
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which angles are vertical angles? ∠noq and ∠klo ∠noq and ∠pol ∠noq and …
$\angle NOQ$ and $\angle POL$
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a triangle has sides with lengths of 33 inches, 52 inches, and 63 inche…
no
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1.15.4 crisscross what happens to the diagonal of a rectangle when the …
The diagonal of the rectangle is mapped onto the other diagonal of the rectangle when reflected across a line of symmetry. This suggests that the diagonals of rectangles are congr…
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which angles are corresponding angles? ∠jkn and ∠onk ∠mnk and ∠onp ∠mnp…
$\angle{MNP}$ and $\angle{JKN}$
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a triangle has sides with lengths of 70 feet, 74 feet, and 24 feet. is …
yes
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pr and su are parallel lines. which angles are adjacent angles? ∠utq an…
$\angle UTQ$ and $\angle STQ$
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a triangle has sides with lengths of 30 centimeters, 40 centimeters, an…
yes
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complete the parts below. (a) two unit - circles are shown. sketch the …
\(\sin(-\frac{7\pi}{4})=\frac{\sqrt{2}}{2}\) \(\sin(-\frac{7\pi}{4}-4\pi)=\frac{\sqrt{2}}{2}\) The correct statement is: For any angle \(\theta\) measured in radians, it is always…
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a triangle has sides with lengths of 8 meters, 15 meters, and 17 meters…
yes
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df and gi are parallel lines. which angles are vertical angles? ∠fec an…
∠FEC and ∠DEH
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a triangle has sides with lengths of 60 feet, 80 feet, and 100 feet. is…
yes
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in the figure below, m∠jkm = 94°, m∠lkm = 62°, and (overline{kn}) bisec…
$63$
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a triangle has sides with lengths of 19 centimeters, 26 centimeters, an…
no
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pr and su are parallel lines. which angles are supplementary angles? ∠p…
∠PQT and ∠PQO
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a triangle has sides with lengths of 13 yards, 16 yards, and 20 yards. …
no
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which angles are alternate interior angles? ∠tus and ∠yxz, ∠wxz and ∠tu…
$\angle TUS$ and $\angle YXZ$
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according to the video, which of the following is most helpful in using…
B. Listen to other people. D. Write down any idea that comes to mind in up 20 circles.
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a triangle has sides with lengths of 8 miles, 15 miles, and 20 miles. i…
no
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a triangle has sides with lengths of 5 yards, 7 yards, and 11 yards. is…
no
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which angles are supplementary angles? ∠pqt and ∠pqo ∠pqt and ∠rqo ∠pqt…
$\angle PQT$ and $\angle PQO$
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in the figure below, m∠abd = 65°, and m∠1 is 17° more than m∠2. find m∠…
$24$
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a triangle has sides with lengths of 2 kilometers, 6 kilometers, and 7 …
no
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ln and oq are parallel lines. which angles are adjacent angles? ∠lmp an…
$\angle LMP$ and $\angle NMP$
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a triangle has sides with lengths of 12 feet, 16 feet, and 20 feet. is …
yes
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in the figure below, m∠fgh = 141° and m∠1 = 48°. find m∠2.
\(93\)
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16) here are three pairs of figures. which transformation takes figure …
# Explicación: ## Paso 1: Comprender las transformaciones Una traducción es un movimiento rectilíneo de una figura. Una rotación es una rotación de una figura en torno a un punto.…
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in the figure below, m∠1 = 97° and m∠2 = 58°. find m∠xwz.
$155$
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15) here are three pairs of figures. circle the answer a) which transfo…
# Explicación paso a paso: ## Paso 1: Analizar la transformación en el Par 1 Observando el Par 1, vemos que la forma y la orientación general de la figura A y B son diferentes. La…
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9 a rectangular tool chest has a length of 6 feet, a width of 3 feet, a…
A. True B. False C. True D. False E. True
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14) select all the sequences of transformations that could take figure …
# Explicación: ## Paso 1: Analizar la orientación de las figuras Figura P y Q tienen una orientación opuesta. Una rotación simple no cambiaría la orientación de esta manera, y una…
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11. which statement accurately describes the dilation of quadrilateral …
A. The coordinates of quadrilateral \(PQRS\) are half of the coordinates of quadrilateral \(WXYZ\). D. The dilation is a reduction. F. Quadrilateral \(PQRS\) is dilated by a scale…
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13) triangle with vertices at a(-1,1), b(-2,1), and c(-1,4) is translat…
# Explicación: ## Paso 1: Encontrar el vector de traducción El vector de traducción se obtiene restando las coordenadas del punto inicial (pre - imagen) de las coordenadas del pun…
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on the school playground, the slide is 8.5 meters due west of the tire …
$9.3$
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pams bedroom is rectangular. the length of one wall of pams bedroom is …
$4.7$
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to get from home to his friend elises house, wyatt would have to walk 2…
$3.5$
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in a right triangle, a and b are the lengths of the legs and c is the l…
$22.1$
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in a right triangle, a and b are the lengths of the legs and c is the l…
$144.0$
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in a right triangle, a and b are the lengths of the legs and c is the l…
228.0 meters
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in a right triangle, a and b are the lengths of the legs and c is the l…
90
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in a right triangle, a and b are the lengths of the legs and c is the l…
$14.3$
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ac bisects ∠bcd reason: given ∠bca≅∠dca reason: an angle bisector divid…
The reasoning for $\triangle ABC\cong\triangle ADC$ is correct as it is based on the given information and the application of the SAS congruence criterion.
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can each expression be used to find the area of the rectangle? select y…
$3\times(10 + 2)$: Yes $(3\times10)+(3\times2)$: Yes $3\times(10\times2)$: No
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in a right triangle, a and b are the lengths of the legs and c is the l…
120 yards
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in a right triangle, a and b are the lengths of the legs and c is the l…
$15.8$
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fill in the blanks to find the area of the rectangle. 15×4=(10×4)+(5×4)…
60
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what is the perimeter? if necessary, round to the nearest tenth. centim…
$12.8$
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what is the perimeter? if necessary, round to the nearest tenth. miles
$10.4$
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10 cm 5.6 cm what is the perimeter? if necessary, round to the nearest …
$23.9$
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∠adb and ∠cdb are right angles. reason: perpendicular lines form right …
∠ADB≅∠CDB Reason: All right - angles are congruent; AD≅CD Reason: Given; ∠A≅∠C Reason: Given; △ABD≅△CBD Reason: ASA congruence criterion.
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two cars leave the same parking lot, with one heading north and the oth…
$7.6$
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to wash a window that is 7 meters off the ground, pablo leans a 9.1 - m…
$5.8$
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ruth is building a slide for her kids. the ladder is 2 meters tall and …
$2.2$
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figure q figure r a reflection over the y - axis a rotation 90° counter…
A reflection over the x - axis
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three ballet dancers are positioned on stage. if sidney is 6 meters str…
7.8
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from her house, ava could drive due north to get to her parents house o…
$2.6$
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triangle proofs no late credit grade: 0% complete: 59% interior and ext…
$\angle BDC\cong\angle BEA$ Reason: Given; $\overline{CD}\cong\overline{AE}$ Reason: Given; $\angle B\cong\angle B$ Reason: Reflexive Property of Congruence; $\triangle ABE\cong\t…
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what is the perimeter? if necessary, round to the nearest tenth. meters
$9.1$
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perpendicular form right angles △abd and △cbd are right triangles reaso…
For $\overline{AB}\cong\overline{CB}$, reason: Given; For $\overline{BD}\cong\overline{BD}$, reason: Reflexive Property of Congruence; For $\triangle ABD\cong\triangle CBD$, reaso…
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12) reflect over the y - axis. list the coordinates of the image. attac…
# Explicación: ## Paso 1: Identificar coordenadas originales Supongamos que las coordenadas de N son $(x_N,y_N)$, O son $(x_O,y_O)$, P son $(x_P,y_P)$ y M son $(x_M,y_M)$. Por obs…
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7 yd. 6 yd. b what is the perimeter? if necessary, round to the nearest…
$16.6$
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deltamath back to home triangle proofs complete: 54% no late credit gra…
- $\overline{AD}\cong\overline{CD}$ Reason: Definition of bisector - $\angle A\cong\angle C$ Reason: Given - $\overline{AB}\cong\overline{CB}$ Reason: Given - $\triangle ABD\cong\…
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an oak tree is 6 meters tall and a bird is standing on the ground 4 met…
$7.2$
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a mouse has made holes in opposite corners of a rectangular kitchen. th…
5
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given $overline{bd}$ bisects $overline{ac}$, complete the flowchart pro…
We can prove $\triangle ADB\cong\triangle CDB$ using the SAS congruence criterion if we have the appropriate angle - congruence condition along with the given side - bisecting pro…
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victoria is replacing a door that measures 80 inches by 39 inches. what…
89
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victorias bedroom is rectangular. the length of one wall of victorias b…
15
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what is the perimeter? if necessary, round to the nearest tenth. inches
240
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what is the perimeter? if necessary, round to the nearest tenth. millim…
60
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c 80 in. 18 in. what is the perimeter? if necessary, round to the neare…
180
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name the marked angle in 2 different ways.
$\angle D$, $\angle BDC$
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what is the perimeter? if necessary, round to the nearest tenth. miles
176
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13 in. a 12 in. what is the perimeter? if necessary, round to the neare…
30
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what is the perimeter? if necessary, round to the nearest tenth. yards
48
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18. given the formula for the area of a trapezoid, (a=\frac{1}{2}h(b_1 …
$h=\frac{2A}{b_1 + b_2}$
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11) a sequence of transformations was applied to an equilateral triangl…
# Explicación detallada: ## Paso 1: Comprender las propiedades de las transformaciones rígidas Las rotaciones, reflexiones y traslaciones son transformaciones rígidas. Estas trans…
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use the hints on this page to help you answer the questions. 1 which st…
1. A. Interest in extreme sports comes from people's need for excitement and adventure. 2. C. "Still, rafting provides thrills at every turn and a wild ride!" 3. The author likely…
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10) all of these sequences of transformations would return a shape to i…
# Explicación: ## Paso 1: Analizar la secuencia A Una traducción de 3 unidades hacia arriba seguida de 3 unidades hacia abajo significa que la desviación vertical neta es $3 - 3=0…
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look at the diagram. which equation can be used to solve for x? 5x = 65…
The equation is $5x = 65$ and $x = 13$
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10. jeanne désire recouvrir de tissu un abat - jour ayant la forme dun …
$\pi(36\sqrt{109}+144)$ cm²
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10. jeanne désire recouvrir de tissu un abat - jour ayant la forme dun …
$36\pi\sqrt{109}\text{ cm}^2$
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x = ____ (5x - 33)° (6x + 4)°
$-37$
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ex. 4) (y - 1)^2 = -4(x - 1) v(1,1) general form of a parabola
Vertex: \((1,1)\), Focus: \((0,1)\), Directrix: \(x = 2\)
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10) all of these sequences of transformations would return a shape to i…
# Explicación paso a paso: ## Paso 1: Analizar la traducción La traducción en A: Trasladar 3 unidades hacia arriba y 3 unidades hacia abajo es un movimiento neto de 0 en la direcc…
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x = ______ (6x + 3)° (7x - 12)°
$15$
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name the marked angle in 2 different ways.
∠T, ∠STU
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in circle o above, ae ⊥ bo, ae is $\frac{3}{4}$bd, and the radius is 16…
A. \(10.6r\)
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name the marked angle in 2 different ways.
$\angle B$, $\angle EBC$
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in circle o above, ae ⊥ bo, ae is $\frac{5}{6}$bd, and the radius is 12…
(E) \(6.6r\)